US20170134462A1 - Mobile terminal and multimedia data sending method based on same - Google Patents

Mobile terminal and multimedia data sending method based on same Download PDF

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Publication number
US20170134462A1
US20170134462A1 US15/247,752 US201615247752A US2017134462A1 US 20170134462 A1 US20170134462 A1 US 20170134462A1 US 201615247752 A US201615247752 A US 201615247752A US 2017134462 A1 US2017134462 A1 US 2017134462A1
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Prior art keywords
linkage unit
multimedia data
wihd
mobile terminal
target
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US15/247,752
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English (en)
Inventor
Yan Yu
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Le Holdings Beijing Co Ltd
Lemobile Information Technology (Beijing) Co Ltd
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Le Holdings Beijing Co Ltd
Lemobile Information Technology (Beijing) Co Ltd
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Assigned to LEMOBILE INFORMATION TECHNOLOGY (BEIJING) CO., LTD., LE HOLDINGS (BEIJING) CO., LTD. reassignment LEMOBILE INFORMATION TECHNOLOGY (BEIJING) CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: YU, YAN
Publication of US20170134462A1 publication Critical patent/US20170134462A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
    • H04N21/43637—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/80—Responding to QoS
    • H04L65/601—
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1083—In-session procedures
    • H04L65/1094—Inter-user-equipment sessions transfer or sharing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60—Network streaming of media packets
    • H04L65/75—Media network packet handling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/14—Session management
    • H04L67/148—Migration or transfer of sessions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
    • H04N21/43632—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wired protocol, e.g. IEEE 1394
    • H04N21/43635—HDMI
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/20—Services signaling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel

Definitions

  • An embodiment of the present disclosure generally relates to the field of multimedia technologies, and particularly relates to a mobile terminal and a multimedia data sending method based on the same.
  • main high-definition outputs may include wire transmission technologies such as HDMI (High Definition Multimedia Interface), MHL (Mobile High-Definition Link) and SlimPort (Analogix Semiconductor) as well as wireless transmission technologies such as DLNA (Digital Home Working Group), Miracast (a Miracast device provides simplified findings and settings, a user may rapidly transmit a video among devices), WiHD (WirelessHD) or Airplay.
  • wire transmission technologies such as HDMI (High Definition Multimedia Interface), MHL (Mobile High-Definition Link) and SlimPort (Analogix Semiconductor)
  • wireless transmission technologies such as DLNA (Digital Home Working Group)
  • Miracast a Miracast device provides simplified findings and settings, a user may rapidly transmit a video among devices
  • WiHD WirelessHD
  • Airplay Airplay
  • An embodiment of the present disclosure discloses a a mobile terminal and a multimedia data sending method based on the same, which are used for solving the problems of relatively poor user experience and low operating frequency of high-definition output resulting from hindering of video easily caused by mismatching of a high-frequency output technology in a mobile terminal and the picture source quality of video data in the prior art.
  • an embodiment of the present disclosure provides a multimedia data sending method based on a mobile terminal, the mobile terminal at least includes a MHL interface, a WiHD linkage unit and a Miracast linkage unit; and the method includes:
  • an embodiment of the present disclosure further provides a mobile terminal for sending multimedia data, the mobile terminal at least includes a MHL interface, a WiHD linkage unit and a Miracast linkage unit; the mobile terminal further includes: at least one processor, and a memory communicably connected with the at least one processor for storing instructions executable by the at least one processor, wherein execution of the instructions by the at least one processor causes the at least one processor to:
  • a computer program which includes a computer readable code, and when the computer readable code is executed on a mobile terminal, the computer program causes the mobile terminal to perform the above multimedia data sending method based on a mobile terminal.
  • a non-transitory computer readable medium which stores executable instructions that, when executed by a mobile terminal, cause the mobile terminal to: when detecting a trigger operation of a user for multimedia data currently displayed by the mobile terminal, decide a target linkage unit from the MHL interface and/or the WiHD linkage unit and/or the Miracast linkage unit; send the multimedia data to a display device by employing the target linkage unit, wherein the display device is configured to display the multimedia data.
  • three projection screen technologies such as the MHL interface, the WiHD linkage unit and the Miracast linkage unit co-exist in the mobile terminal, and an optimal projection screen technology is decided from the three projection screen technologies according to an actual condition so as to adapt to demands of a user for interconnection and transmission screens between the mobile terminal and the display device.
  • Different qualities of videos may be pushed among a plurality of devices, and multimedia contents are shared, and thereby a multi-screen interaction function is achieved, the user can obtain an optimal projection screen effect under a current network environment, and a user experience is improved.
  • FIG. 1 is a flow diagram of steps of an embodiment of a multimedia data sending method based on a mobile terminal according to an embodiment of the present disclosure.
  • FIG. 2 is a block diagram of a structure of an embodiment of a mobile terminal for sending multimedia data according to an embodiment of the present disclosure.
  • FIG. 3 schematically shows a block diagram of a mobile terminal for performing a method according to the present disclosure.
  • FIG. 4 schematically shows a storage unit for holding or carrying a program code of implementing the method according to the present disclosure.
  • the mobile terminal of the embodiment of the present disclosure may at least include a MHL interface, a WiHD linkage unit and a Miracast linkage unit, wherein:
  • the MHL interface corresponds to a MHL technology
  • the MHL interface on the mobile terminal is connected onto a display device by a MHL dongle of a multiplexing USB interface, thereby realizing video sharing and supporting transmission of an uncompressed high-definition video stream.
  • the embodiment of the present disclosure may preferably employ a MHL3.0 technology, and a theoretical transmission rate of the MHL3.0 may reach 6 Gbps.
  • the WiHD linkage unit corresponds to a WiHD technology
  • the WiHD is a high-speed wireless technology, which applies a frequency spectrum of a 60 GHz frequency band (millimeter waves), and can obtain a relatively high data transmission rate, with its initial transmission rate reaching up to 4 Gbps, thereby being capable of more relatively providing a bandwidth necessary to transmit a high-quality and high-definition uncompressed video.
  • the embodiment of the present disclosure preferably employs WiHD1.1.
  • the Miracast linkage unit corresponds to a Miracast technology
  • the Miracast is a protocol definition from Wi-Fi Alliance
  • a Miracast device provides simplified findings and settings by a Wi-Fi Direct (a Wi-Fi Direct standard means that devices in a wireless network are allowed to be mutually connected without a wireless router, and is similar to a Bluetooth technology, and such a standard allows wireless devices to be mutually connected in a peer-to-peer manner, and is greatly improved in terms of a transmission speed and a transmission distance in comparison with the Bluetooth technology) technology, and therefore the user may rapidly transmit a compressed video movement among the devices.
  • a Wi-Fi Direct a Wi-Fi Direct standard means that devices in a wireless network are allowed to be mutually connected without a wireless router, and is similar to a Bluetooth technology, and such a standard allows wireless devices to be mutually connected in a peer-to-peer manner, and is greatly improved in terms of a transmission speed and a transmission distance in comparison with the Bluetooth technology
  • the embodiment of the present disclosure may include the steps as follows.
  • Step 101 When detecting a trigger operation of a user for multimedia data currently displayed by the mobile terminal, deciding a target linkage unit from the MHL interface and/or the WiHD linkage unit and/or the Miracast linkage unit.
  • projection screen technologies such as the MHL interface, the WiHD linkage unit and the Miracast linkage unit may be integrated in one mobile terminal, however, for the sake of limitation to the processing capacity of the mobile terminal and power consumption, when detecting a trigger operation of a user for multimedia data currently displayed by the mobile terminal, it only supports one projection screen technology at the same moment, and may switch among different projection screen technologies.
  • the step 101 may include the following substeps:
  • substep S 11 when detecting a trigger operation of a user for multimedia data currently displayed by the mobile terminal, respectively acquiring decision parameter information corresponding to the MHL interface, the WiHD linkage unit or the Miracast linkage unit;
  • substep S 12 deciding a target linkage unit from the MHL interface, the WiHD linkage unit or the Miracast linkage unit in accordance with the decision parameter information.
  • the target linkage unit may be decided according to the decision parameter information corresponding to the MHL interface, the WiHD linkage unit or the Miracast linkage unit when the trigger operation of the user for the multimedia data currently displayed by the mobile terminal is detected.
  • the decision parameter information at least includes bandwidth and transmission rate parameters, a delay parameter, a power consumption parameter, a safety parameter, a quality parameter of the multimedia data, a flow performance and a signal stability of WIFI under a prevailing circumstance.
  • an optimal projection screen technology may be selected according to the following several decision parameter information, so as to reduce a probability of hindering play of a video and improve a user experience.
  • the theoretical performance of MHL3.0 may reach 6 Gbps, that is, the MHL may transmit a 4 K multimedia data source in a case where multimedia data is not compressed; existing WiHD1.1 supports 4 Gbps transmission so as to only transmit a 1 K multimedia data source; a bandwidth of Miracast is limited to the specification of the WIFI, the maximal theoretical performance of existing 802.11g is 54 Mbps, and the actual rate of generally-applied 802.11n is about 150 Mbps.
  • signal interference also influences the performance.
  • the MHL has a certain advantages in comparison with two wireless transmission screen technologies.
  • the delay used herein refers to a time difference between displaying one image by a source terminal (mobile terminal) and mirroring the image to a display device (that is, a gateway node sink).
  • the delay of the MHL in this respect may reach less than 1 ms of delay, the delay of WiHD is less than 2 ms; the Miracast has no the maximal delay time value verified at present.
  • the MHL is a multiplexing USB interface, it may provide a charging function of maximal 5 V and 900 mA to the mobile terminal through a VBUS, such a charging quantity is sufficient to provide power consumed in a projection screen process.
  • Other two wireless technologies do not have this advantage; and since the WiHD transmits data on a high-frequency band, the WiHD consumes more power than the Miracast in terms of power consumption.
  • HDCP High-bandwidth Digital Content Protection
  • the flow performance and the signal stability of the WIFI under the prevailing circumstance may be obtained through a QoS mechanism of the WIFI in a system of the mobile terminal.
  • signal interference detection of the WiHD may be performed by, for example, an algorithm of automatically detecting that a WiHD wireless data projection channel is obstructed.
  • a WiHD wireless data channel is directly established between the WiHD and a dongle, but the wireless data channel substantially has no diffraction function depending on a 60 GHZ wireless spectrum characteristic, and data transmission of the wireless data channel easily fails due to obstruction of an object.
  • WiHD device Due to consistency and peer-to-peer equality 60 Ghz peer-to-peer equality 60 Ghz peer-to-peer data transmission, although a WiHD device can not directly detect whether data emitted by it arrives at the dongle, whether a current wireless data channel is smooth or not may be derived through detecting a signal of the dongle, and if the signal of the dongle cannot be received at a certain moment, a prompt that a signal of the WiHD is poor may be provided to the user.
  • the picture source quality is 4 k, it may be transmitted after coding of MHL3.0.
  • the substep S 12 may further include the following substeps:
  • substep S 21 when detecting a trigger operation of a user for multimedia data currently displayed by the mobile terminal, determining whether an access device accesses to the MHL interface or not:
  • substep S 22 if the access device accesses to the MHL interface, using the MHL interface as a target linkage unit;
  • substep S 23 if no access device accesses to the MHL interface, determining whether a quality parameter of the multimedia data is smaller than a first preset threshold or not and a signal intensity of the WiHD linkage unit is greater than a second preset threshold or not;
  • substep S 24 if the quality parameter of the multimedia data is greater than the first preset threshold and the signal intensity of the WiHD linkage unit is greater than the second preset threshold, using the WiHD linkage unit as the target linkage unit;
  • substep S 25 if the quality parameter of the multimedia data is smaller than the first preset threshold and the signal intensity of the WiHD linkage unit is smaller than the second preset threshold, using the Miracast linkage unit as the target linkage unit.
  • the following mechanism may be employed on an upper layer UI (User Interface) to recommend a user to apply which projection screen technology:
  • the MHL dongle may firstly recommend the user to use such a projection screen technology.
  • a WiHD projection screen technology may be preferably selected so as to ensure an optimal state of a projection screen effect. If only Miracast may be used, a Miracast projection screen technology is selected.
  • Step 102 Sending the multimedia data to a display device by employing the target linkage unit, wherein the display device is configured to display the multimedia data.
  • the step 102 may include the following substeps:
  • substep S 32 establishing a linkage channel between the mobile terminal and the display device by employing the target linkage unit
  • substep S 33 acquiring multimedia data the picture source quality of which adapts to the target linkage unit
  • substep S 34 sending the adapted multimedia data to the display device through the linkage channel.
  • multimedia data of corresponding picture source quality may be pushed to a user in combination with flow performance and signal stability of current WIFI, and displayed on a display device by a Miracast projection screen.
  • three projection screen technologies such as the MHL interface, the WiHD linkage unit and the Miracast linkage unit co-exist in the mobile terminal, and an optimal projection screen technology is decided from the three projection screen technologies according to an actual condition so as to adapt to demands of a user for interconnection and transmission screens between the mobile terminal and the display device.
  • Different qualities of videos may be pushed among a plurality of devices, and multimedia contents are shared, and thereby a multi-screen interaction function is achieved, the user can obtain an optimal projection screen effect under a current network environment.
  • FIG. 2 a block diagram of a structure of an embodiment of a mobile terminal for sending multimedia data according to an embodiment of the present disclosure is shown, wherein the mobile terminal may at least include a MHL interface (not shown in FIG. 2 ), a WiHD linkage unit (not shown in FIG. 2 ) and a Miracast linkage unit (not shown in FIG. 2 ); the mobile terminal may further include:
  • a decision unit 201 which is configured to, when detecting a trigger operation of a user for multimedia data currently displayed by the mobile terminal, decide a target linkage unit from the MHL interface and/or the WiHD linkage unit and/or the Miracast linkage unit;
  • a data sending unit 202 which is configured to send the multimedia data to a display device by employing the target linkage unit, wherein the display device is configured to display the multimedia data.
  • the decision unit 201 may include the following subunits:
  • a decision parameter information acquisition subunit which is configured to, when detecting a trigger operation of a user for multimedia data currently displayed by the mobile terminal, respectively acquire decision parameter information corresponding to the MHL interface, the WiHD linkage unit and the Miracast linkage unit;
  • a decision subunit which is configured to decide a target linkage unit from the MHL interface, the WiHD linkage unit and the Miracast linkage unit in accordance with the decision parameter information.
  • the decision parameter information at least includes bandwidth and transmission rate parameters, a delay parameter, a power consumption parameter, a safety parameter, a quality parameter of the multimedia data, a flow performance and a signal stability of WIFI under a prevailing circumstance.
  • the decision subunit may be configured to:
  • the access device accesses to the MHL interface, use the MHL interface as a target linkage unit;
  • a quality parameter of the multimedia data is smaller than a first preset threshold or not and a signal intensity of the WiHD linkage unit is greater than a second preset threshold or not;
  • the WiHD linkage unit if the quality parameter of the multimedia data is greater than the first preset threshold and the signal intensity of the WiHD linkage unit is greater than the second preset threshold, use the WiHD linkage unit as the target linkage unit;
  • the Miracast linkage unit as the target linkage unit.
  • the data sending unit 202 may include the following subunits:
  • a channel establishing subunit which is configured to establish a linkage channel between the mobile terminal and the display device by employing the target linkage unit
  • a data adaptation subunit which is configured to acquire multimedia data the picture source quality of which adapts to the target linkage unit
  • a sending subunit which is configured to send the adapted multimedia data to the display device through the linkage channel.
  • Client or server embodiments described above are illustrative only, wherein the unit described as a separate part may be or may be not physically separated, a part displayed as the unit may be or may be not a physical unit, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected to achieve the objective of the solutions of the embodiments according to actual requirements. Those ordinarily skilled in the art may understand and implement it without paying creative works.
  • Each of devices according to the embodiments of the disclosure can be implemented by hardware, or implemented by software modules operating on one or more processors, or implemented by the combination thereof.
  • a person skilled in the art should understand that, in practice, a microprocessor or a digital signal processor (DSP) may be used to realize some or all of the functions of some or all of the modules in the device according to the embodiments of the disclosure.
  • the disclosure may further be implemented as device program (for example, computer program and computer program product) for executing some or all of the methods as described herein.
  • Such program for implementing the disclosure may be stored in the computer readable medium, or have a form of one or more signals. Such a signal may be downloaded from the internet websites, or be provided in carrier, or be provided in other manners.
  • FIG. 3 illustrates a block diagram of a mobile terminal for executing the method according the disclosure.
  • the mobile terminal includes a processor 310 and a computer program product or a computer readable medium in form of a memory 320 .
  • the memory 320 could be electronic memories such as flash memory, EEPROM (Electrically Erasable Programmable Read—Only Memory), EPROM, hard disk or ROM.
  • the memory 320 has a memory space 330 for executing program codes 331 of any steps in the above methods.
  • the memory space 330 for program codes may include respective program codes 331 for implementing the respective steps in the method as mentioned above. These program codes may be read from and/or be written into one or more computer program products.
  • These computer program products include program code carriers such as hard disk, compact disk (CD), memory card or floppy disk. These computer program products are usually the portable or stable memory cells as shown in reference FIG. 4 .
  • the memory cells may be provided with memory sections, memory spaces, etc., similar to the memory 320 of the server as shown in FIG. 3 .
  • the program codes may be compressed for example in an appropriate form.
  • the memory cell includes computer readable codes 331 ′ which can be read for example by processors 310 . When these codes are operated on the server, the server may execute respective steps in the method as described above.
  • an embodiment means that the specific features, structures or performances described in combination with the embodiment(s) would be included in at least one embodiment of the disclosure.
  • the wording “in an embodiment” herein may not necessarily refer to the same embodiment.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
  • Telephone Function (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Information Transfer Between Computers (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
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CN201510757791.7A CN105681881A (zh) 2015-11-06 2015-11-06 一种基于移动终端的多媒体数据发送方法及移动终端
CN201510757791.7 2015-11-06
PCT/CN2016/088542 WO2017076035A1 (zh) 2015-11-06 2016-07-05 一种基于移动终端的多媒体数据发送方法及移动终端

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